Home / 133,564.06-200,447.64-49,403.84

Finding the Fourth Proportional to 133,564.06, 200,447.64 and 49,403.84

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Solution

The fourth proportional to 133,564.06, 200,447.64 and 49,403.84 is: 74,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,564.06 : 200,447.64 = 49,403.84 : x
  2. Step 2: Convert to fraction form
    133,564.06/200,447.64 = 49,403.84/x
  3. Step 3: Cross multiply
    133,564.06x = 200,447.64 × 49,403.84
  4. Step 4: Simplify right side
    133,564.06x = 9,902,883,134.94
  5. Step 5: Solve for x
    x = 9,902,883,134.94/133,564.06
  6. Step 6: Final answer
    x = 74,143.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.